Android编程之代码创建布局实例分析
本文实例讲述了Android编程之代码创建布局使用方法。分享给大家供大家参考,具体如下:
大概描述一下效果:最外层是一个RelativeLayout里面有自定义个LinearLayout,每个LinearLayout有两个TextView。that'sit!!!
privatevoidinitView(){
//获取xml的RelativeLayout
layout=(RelativeLayout)findViewById(R.id.liner);
for(inti=0;i<5;i++){
RelativeLayout.LayoutParamsrelativeParams=newRelativeLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT,ViewGroup.LayoutParams.WRAP_CONTENT);
//每行都有一个linearlayout
LinearLayoutlLayout=newLinearLayout(mContext);
lLayout.setId(i+10);
lLayout.setOrientation(LinearLayout.HORIZONTAL);
LinearLayout.LayoutParamslLayoutlayoutParams=newLinearLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT,ViewGroup.LayoutParams.WRAP_CONTENT);
lLayout.setLayoutParams(lLayoutlayoutParams);
TextViewtv=newTextView(mContext);
tv.setId(i);
tv.setText("这是第"+i+"个文本框");
tv.setTextColor(Color.BLUE);
TextViewtv_num=newTextView(mContext);
tv_num.setId(i+20);
tv_num.setText(i+"台");
tv_num.setTextColor(Color.RED);
//为TextView添加长高设置
LinearLayout.LayoutParamslayoutParams_txt=newLinearLayout.LayoutParams(
ViewGroup.LayoutParams.WRAP_CONTENT,ViewGroup.LayoutParams.WRAP_CONTENT);
tv.setLayoutParams(layoutParams_txt);
tv_num.setLayoutParams(layoutParams_txt);
//添加到每行的linearlayout中
lLayout.addView(tv);
lLayout.addView(tv_num);
//每个linearlayout都在前一个的下面,第一个在顶,不处理
if(i>0){
relativeParams.addRule(RelativeLayout.BELOW,i+10-1);
}
//把每个linearlayout加到relativelayout中
layout.addView(lLayout,relativeParams);
}
}
希望本文所述对大家Android程序设计有所帮助。